Optical lens



FIG. 1 is a perspective view of an optical lens;

FIG. 2 is a top view of the optical lens;

FIG. 3 is a bottom view of the optical lens;

FIG. 4 is a right side view of the optical lens;

FIG. 5 is a left side view of the optical lens;

FIG. 6 is a front view of the optical lens;

FIG. 7 is a rear view of the optical lens; and,

FIG. 8 is a perspective view of the optical lens in a particularenvironment, such as a light bar.

The broken lines depict environment that forms no part of the claimeddesign.

CLAIM The ornamental design of an optical lens, as shown and described.